18 Page
-Exhaust vent (Stainless steel vent)-
ThisisaCategoryIVapplianceandmustbeventedaccordingly.Theventsystemmustbesealedairtight.
All seams and joints without gaskets must be sealed with high heat resistant silicone sealant or UL listed
aluminum adhesive tape having a minimum temperature rating of 160 °F. For best results, a vent system
should be as short and straight as possible.
• TheIndoormodelsareaCategoryIVapplianceandmustbeventedaccordinglywithany4”vent
approvedforusewithCategoryIII/IVorSpecialBHtypegasvent.
• The manufacturer recommends the NovaVent line. However, the following are also UL listed
manufacturers:ProTechSystemsInc.(FasNSeal),Metal-FabInc.,andHeat-FabInc.(Saf-TVent).
• Follow the vent pipe manufacturer’s instructions when installing the vent pipe.
• The maximum length of exhaust vent piping must not exceed 100 ft. (30.5 m) (deducting 5 ft. (1.5
m) for each elbow used in the venting system). Do not use more than 5 elbows.
• When the horizontal vent run exceeds 5 ft. (1.5 m), support the vent run at 3 ft. (0.9 m) intervals
with overhead hangers.
Diameter Max. No. of Elbows Max. Vertical and Horizontal (Total) Vent Length
4 in. (102 mm) 5 100 ft. (30.5 m )
*For each elbow added, deduct 5 ft. (1.5 m) from max. vent length.
No. of Elbows Max. Vertical or Horizontal Vent Length
0 100 ft. (30.5 m)
1 95 ft. (29.0 m)
2 90 ft. (27.4 m)
5 75 ft. (22.9 m)
Excludes vent terminators, termination elbows, or rain caps.
Installaon
Installaon Manual
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